<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>

    <style>
        * {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        #shop-car li {
            border: 1px dotted red;
            margin: 20px 0;
            padding: 20px;
        }

        .container {
            width: 400px;
            padding: 20px;
        }
    </style>

    <div class="container">
        


        <ul id="shop-car">
            <li>
                <input type="checkbox" />
                <div>商品名称:</div>
                <img src="https://img12.360buyimg.com/n0/s80x80_jfs/t1/118064/27/12885/59959/5f17b7efE453f688d/5b33ac76b2aaea9b.jpg" alt="">
                <div>商品价格:50</div>
                <div>购买数量:30</div>
                <div>商品规格: 黑</div>
                <div>是否选中：选中吧OR不选中</div>
            </li>
        </ul>
        <p id="totalnum">总数量：xxx</p>
        
    </div>

    
    </script>
</body>

</html>